/Engine/Plugins/Runtime/Metasound/Source/MetasoundStandardNodes/Public/MetasoundTriggerAccumulatorNode.h
Routes values from multiple input pins to a single output pin based on trigger inputs.
template<uint32 NumInputs> class TTriggerAccumulatorNode : public [Metasound::FNodeFacade](API\Plugins\MetasoundGraphCore\FNodeFacade)